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Abstract:

The status signalling hypothesis states that conspicuous male plumage varies among males and serves as an honest signal of male quality and competitive ability. We expected immature-plumaged males of the Saffron Finch Sicalis flaveola to feed their incubating mates and nestlings and remove faecal sacs at lower rates than those of mature-plumaged males. We also predicted that females paired with immature-plumaged males would compensate for their mates' lower contribution. We found no differences in either feeding rates or sanitation rates between immature- and mature-plumaged males. Similarly, females mated to immature- and mature-plumaged males fed nestlings at equivalent rates. Apparently, male plumage colour and age are not reliable signals of the ability of a male Saffron Finch to provide for his mate and offspring. © 2011 The Authors. Journal compilation © 2011 British Ornithologists' Union.

Registro:

Documento: Artículo
Título:Parental care does not vary with age-dependent plumage in male Saffron Finches Sicalis flaveola
Autor:Palmerio, A.G.; Massoni, V.
Filiación:Departamento de Ecología, Genética y Evolución, Facultad de Ciencias Exactas y Naturales, Universidad de Buenos Aires, Intendente Güiraldes 2160, C1428EGA, Ciudad Autónoma de Buenos Aires, Argentina
Palabras clave:Fitness; Incubation; Nestling condition; Plumage maturation; Status signalling hypothesis; color; fitness; incubation; male; nestling; parental care; plumage; songbird; Sicalis; Sicalis flaveola
Año:2011
Volumen:153
Número:2
Página de inicio:421
Página de fin:424
DOI: http://dx.doi.org/10.1111/j.1474-919X.2011.01103.x
Título revista:Ibis
Título revista abreviado:Ibis
ISSN:00191019
CODEN:IBISA
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_00191019_v153_n2_p421_Palmerio

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Citas:

---------- APA ----------
Palmerio, A.G. & Massoni, V. (2011) . Parental care does not vary with age-dependent plumage in male Saffron Finches Sicalis flaveola. Ibis, 153(2), 421-424.
http://dx.doi.org/10.1111/j.1474-919X.2011.01103.x
---------- CHICAGO ----------
Palmerio, A.G., Massoni, V. "Parental care does not vary with age-dependent plumage in male Saffron Finches Sicalis flaveola" . Ibis 153, no. 2 (2011) : 421-424.
http://dx.doi.org/10.1111/j.1474-919X.2011.01103.x
---------- MLA ----------
Palmerio, A.G., Massoni, V. "Parental care does not vary with age-dependent plumage in male Saffron Finches Sicalis flaveola" . Ibis, vol. 153, no. 2, 2011, pp. 421-424.
http://dx.doi.org/10.1111/j.1474-919X.2011.01103.x
---------- VANCOUVER ----------
Palmerio, A.G., Massoni, V. Parental care does not vary with age-dependent plumage in male Saffron Finches Sicalis flaveola. Ibis. 2011;153(2):421-424.
http://dx.doi.org/10.1111/j.1474-919X.2011.01103.x